# Stop Calculator vs Pontus Viewfinder

The clearest difference is price: Stop Calculator at $0.99 against Pontus Viewfinder's $12.99. Stop Calculator also leads on update cadence (every 2 days vs every 5 days) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

Stop Calculator costs $0.99 and Pontus Viewfinder $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Stop Calculator ships an update every 2 days, Pontus Viewfinder every 5 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Stop Calculator | Pontus Viewfinder |
| --- | --- | --- |
| Price | **$0.99** | $12.99 |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/stop-calculator/id6720706774/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | Paid | — |
| Size | 1 MB | 2 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [eric Hernandez](https://appshunter.io/developer/875120891) | [Pontus Magnusson](https://appshunter.io/developer/1895929410) |

## What reviewers say

### Stop Calculator

[App page](https://appshunter.io/ios/app/stop-calculator/id6720706774)

This tool helps filmmakers quickly compare exposure settings between two cameras. It calculates precise stop differences in real-time, ensuring your shots are perfectly exposed and matched across different setups. Simplify your workflow and eliminate guesswork.

**Highlights:** Compare ISO, t-stop, shutter angle, and FPS, Real-time stop difference calculation, Intuitive interface for filmmakers, Exposure feedback for underexposed/overexposed shots

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Pontus Viewfinder

[App page](https://appshunter.io/ios/app/pontus-viewfinder/id6764829581)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Stop Calculator free?

Stop Calculator costs $0.99, with no in-app purchases.

### Is Pontus Viewfinder free?

Pontus Viewfinder costs $12.99, with no in-app purchases.

### Do Stop Calculator or Pontus Viewfinder have ads?

Neither Stop Calculator nor Pontus Viewfinder shows ads.

### Which is updated more often, Stop Calculator or Pontus Viewfinder?

Stop Calculator ships an update every 2 days, and Pontus Viewfinder every 5 days. Most recently, Stop Calculator was updated on November 5, 2026 and Pontus Viewfinder on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*